Yes, the very least. This is so sad, the news over the weekend. It is. We are talking about Casey kasem. Tributes are pouring in for the radio icon. Part of so many of our lives every week, as host of the most popular radio show ever. Our countdown begins in a moment. The unmistakable voice that so many grew to love. The most popular song in the land for the sixth week. Michael Jackson's "Billy Jean". Casey kasem was the voice of the ages for decades. Keeping us up to date on "American top 40." Here it is, the first pop hit for a singer named Madonna. He touched on personal moments, a long distance dedication. A long distance dedication from patty to roger. And he didn't just stick to radio. He crossed over to TV. He was the voice of shaggy on scooby-doo. He's always talking about his old buddy -- A first-generation American. Born in 1932. His parents were Lebanese immigrants who settled in Michigan. He made his radio debut in high school, and was an announcer for the armed forces when he was drafted in 1952 before he hit it big in mainstream media. Now last week, the number one song in the usa was "Jump" by van hey less than. He will be remembered as a musical maestro, reminding us to follow our dreams. Keep your feet in the ground and keep reaching for the stars. I loved how he ended it, keep your feet on the ground and reaching for the stars. The long distance dedication, a special memory. And Saturday morning, waiting for your song to hit record so you could listen to it again. Part of all our lives for so long. Did you know he was scooby-doo? I knew he was shaggy.

This transcript has been automatically generated and may not be 100% accurate.

Casey Kasem Never Wanted to Be Radio DJ

The radio personality known for hosting "American Top 40" died at age 82.

Casey Kasem Missing

The mystery surrounding the Top 40 legend's whereabouts may be connected to a bitter family fight.

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